Toothbrush



FIG. 1 is a perspective view of a first embodiment of my ornamental design for a toothbrush;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is an end view thereof as seen from the left side of FIG. 3;

FIG. 7 is an end view thereof as seen from the right side of FIG. 3;

FIG. 8 is a perspective view of a second embodiment of my ornamental design for a toothbrush;

FIG. 9 is a bottom plan view of the design shown in FIG. 8;

FIG. 10 is a top plan view of the design shown in FIG. 8;

FIG. 11 is a right side elevational view of the design shown in FIG. 8;

FIG. 12 is a left side elevational view of the design shown in FIG. 8;

FIG. 13 is an end view of the design shown in FIG. 8 as seen from the left side of FIG. 10; and,

FIG. 14 is an end view of the design shown in FIG. 8 as seen from the right side of FIG. 10.

The bristle shown in phantom or broken lines in the FIGS. form no part of the claimed design and are included only to illustrate an environment. 

The ornamental design of a toothbrush, as shown and described. 